Added a data model and an adapter for TLE custom sources dialog

app/src/main/java/com/rtbishop/look4sat/data/TleSource.kt

@@ -0,0 +1,3 @@
+package com.rtbishop.look4sat.data
+
+data class TleSource(var url: String)

app/src/main/java/com/rtbishop/look4sat/ui/SharedViewModel.kt

@@ -151,6 +151,14 @@ class SharedViewModel @Inject constructor(
         }
     }
 
+    fun getTleSources(): Set<String> {
+        return prefsManager.getTleSources()
+    }
+
+    fun setTleSource(sources: Set<String>) {
+        prefsManager.setTleSources(sources)
+    }
+
     private fun getPassesForEntries(
         entry: SatEntry,
         dateNow: Date,

app/src/main/java/com/rtbishop/look4sat/ui/adapters/TleSourcesAdapter.kt

@@ -0,0 +1,50 @@
+package com.rtbishop.look4sat.ui.adapters
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.widget.addTextChangedListener
+import androidx.recyclerview.widget.RecyclerView
+import com.rtbishop.look4sat.data.TleSource
+import com.rtbishop.look4sat.databinding.ItemTleSourceBinding
+
+class TleSourcesAdapter(private var sources: MutableList<TleSource>) :
+    RecyclerView.Adapter<TleSourcesAdapter.TleSourceHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TleSourceHolder {
+        val binding = ItemTleSourceBinding
+            .inflate(LayoutInflater.from(parent.context), parent, false)
+        return TleSourceHolder(binding.root, binding)
+    }
+
+    override fun onBindViewHolder(holder: TleSourceHolder, position: Int) {
+        holder.bind(sources[position])
+    }
+
+    override fun getItemCount(): Int {
+        return sources.size
+    }
+
+    fun setSources(sources: MutableList<TleSource>) {
+        this.sources = sources
+    }
+
+    fun getSources(): MutableList<TleSource> {
+        return sources
+    }
+
+    inner class TleSourceHolder(itemView: View, private val binding: ItemTleSourceBinding) :
+        RecyclerView.ViewHolder(itemView) {
+
+        fun bind(source: TleSource) {
+            binding.tleSourceBtnDel.setOnClickListener {
+                sources.remove(source)
+                notifyItemRemoved(adapterPosition)
+            }
+            binding.tleSourceUrl.addTextChangedListener {
+                source.url = it.toString()
+                notifyItemChanged(adapterPosition)
+            }
+        }
+    }
+}

app/src/main/java/com/rtbishop/look4sat/utility/PrefsManager.kt

@@ -37,6 +37,7 @@ class PrefsManager @Inject constructor(
     private val keyRefreshRate = "rate"
     private val keyCompass = "compass"
     private val keyTleUrl = "tleUrl"
+    private val keyTleSources = "tleSources"
     private val defaultHoursAhead = 8
     private val defaultMinEl = 16.0
     private val defaultRefreshRate = "3000"
@@ -84,13 +85,6 @@ class PrefsManager @Inject constructor(
         }
     }
 
-    fun setRefreshRate(rate: Long) {
-        preferences.edit {
-            putLong(keyRefreshRate, rate)
-            apply()
-        }
-    }
-
     fun setPosition(gsp: GroundStationPosition) {
         preferences.edit {
             putString(keyLatitude, gsp.latitude.toString())
@@ -106,6 +100,16 @@ class PrefsManager @Inject constructor(
         }
     }
 
+    fun getTleSources(): Set<String> {
+        return preferences.getStringSet(keyTleSources, null) ?: emptySet()
+    }
+
+    fun setTleSources(sources: Set<String>) {
+        preferences.edit {
+            putStringSet(keyTleSources, sources)
+        }
+    }
+
     private fun SharedPreferences.Editor.putDouble(key: String, double: Double) {
         putLong(key, double.toRawBits())
     }

app/src/main/res/layout/dialog_tle_sources.xml

@@ -20,15 +20,16 @@
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/tleSourcesRecycler"
         android:layout_width="0dp"
-        android:layout_height="0dp"
+        android:layout_height="wrap_content"
         android:layout_marginStart="8dp"
         android:layout_marginTop="8dp"
         android:layout_marginEnd="8dp"
-        android:layout_marginBottom="8dp"
+        app:layout_constraintBottom_toTopOf="@+id/tleSourceBtnAdd"
-        app:layout_constraintBottom_toTopOf="@+id/tleSourcesBtnPos"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/tleSourcesTitle" />
+        app:layout_constraintTop_toBottomOf="@+id/tleSourcesTitle"
+        app:layout_constraintVertical_chainStyle="packed" />
 
     <TextView
         android:id="@+id/tleSourcesBtnNeg"
@@ -48,4 +49,18 @@
         android:text="@string/btn_ok"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="@+id/tleSourcesRecycler" />
+
+    <ImageView
+        android:id="@+id/tleSourceBtnAdd"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_marginBottom="8dp"
+        android:contentDescription="@string/placeholder"
+        app:layout_constraintBottom_toTopOf="@+id/tleSourcesBtnPos"
+        app:layout_constraintEnd_toEndOf="@+id/tleSourcesRecycler"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="@+id/tleSourcesRecycler"
+        app:layout_constraintTop_toBottomOf="@+id/tleSourcesRecycler"
+        app:srcCompat="@android:drawable/ic_menu_add" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>